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Diffstat (limited to 'security/smack/smack_lsm.c')
-rw-r--r--security/smack/smack_lsm.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/security/smack/smack_lsm.c b/security/smack/smack_lsm.c
index bffccdc494cb..dadcb9941da5 100644
--- a/security/smack/smack_lsm.c
+++ b/security/smack/smack_lsm.c
@@ -497,13 +497,11 @@ static int smack_ptrace_access_check(struct task_struct *ctp, unsigned int mode)
*/
static int smack_ptrace_traceme(struct task_struct *ptp)
{
- int rc;
struct smack_known *skp;
skp = smk_of_task(smack_cred(current_cred()));
- rc = smk_ptrace_rule_check(ptp, skp, PTRACE_MODE_ATTACH, __func__);
- return rc;
+ return smk_ptrace_rule_check(ptp, skp, PTRACE_MODE_ATTACH, __func__);
}
/**
@@ -2280,6 +2278,21 @@ static void smack_sk_free_security(struct sock *sk)
}
/**
+ * smack_sk_clone_security - Copy security context
+ * @sk: the old socket
+ * @newsk: the new socket
+ *
+ * Copy the security context of the old socket pointer to the cloned
+ */
+static void smack_sk_clone_security(const struct sock *sk, struct sock *newsk)
+{
+ struct socket_smack *ssp_old = sk->sk_security;
+ struct socket_smack *ssp_new = newsk->sk_security;
+
+ *ssp_new = *ssp_old;
+}
+
+/**
* smack_ipv4host_label - check host based restrictions
* @sip: the object end
*
@@ -4882,6 +4895,7 @@ static struct security_hook_list smack_hooks[] __lsm_ro_after_init = {
LSM_HOOK_INIT(socket_getpeersec_dgram, smack_socket_getpeersec_dgram),
LSM_HOOK_INIT(sk_alloc_security, smack_sk_alloc_security),
LSM_HOOK_INIT(sk_free_security, smack_sk_free_security),
+ LSM_HOOK_INIT(sk_clone_security, smack_sk_clone_security),
LSM_HOOK_INIT(sock_graft, smack_sock_graft),
LSM_HOOK_INIT(inet_conn_request, smack_inet_conn_request),
LSM_HOOK_INIT(inet_csk_clone, smack_inet_csk_clone),